1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

The density of 1 M solution of a compound 'X' is 1.25 g mL$$^{-1}$$. The correct option for the molality of solution is (Molar mass of compound X = 85 g):

A
0.705 m
B
1.208 m
C
1.165 m
D
0.858 m
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The right option for the mass of $$\mathrm{CO}_{2}$$ produced by heating $$20 \mathrm{~g}$$ of $$20 \%$$ pure limestone is

(Atomic mass of $$\mathrm{Ca}=40$$ )

$$\left[\mathrm{CaCO}_{3} \stackrel{1200 \mathrm{~K}}{\longrightarrow} \mathrm{CaO}+\mathrm{CO}_{2}\right]$$

A
1.76 g
B
2.64 g
C
1.32 g
D
1.12 g
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The density of the solution is 2.15 g mL$$-$$1, then mass of 2.5 mL solution in correct significant figures is :

A
53.75 g
B
5375 $$\times$$ 10$$-$$3 g
C
5.4 g
D
5.38 g
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

What fraction of Fe exists as Fe(III) in Fe0.96O ?

(Consider Fe0.96O to be made up of Fe(II) and Fe(III) only)

A
$${1 \over {20}}$$
B
$${1 \over {12}}$$
C
0.08
D
$${1 \over {16}}$$
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12